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- Soft starter
- Control Panel (Inverter Switchgear)
- Intelligent Water Supply Controller
- Optional Parts
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With the frequency technology become more and more mature, the use of frequency inverter, PLC, digital-analog conversion module, temperature sensor, temperature module and other devices combine to form a closed-loop automatic temperature control system, the system can work smoothly and more stable, More important Its energy-saving reach to as much as 30% or more, can bring good economic benefits.
The frequency inverter control panel adopts the enclosed cabinet structure, adopts the frame skeleton, the surface coating spray, and easy to install the cabinet, the upper end can configure the bus bar . the keypad of frequency inverter leads to the front foot of cabinet and can operate directly, it can set local and remote control or PC/PLC communication control .the inverter control cabinet can display different kinds of function .
Frequency inverter is a dedicated accessory of inverter cabinet ,the variable frequency control the speed and the main technical parameters depends on the specification of built-in inverter and external configuration. Inverter cabinet have big difference according to the use of different application and different functions
According to the needs of the operating conditions, we can install AC input reactor, output reactor, DC reactor, EMI filter, braking unit, breaking resistor, contactor, intermediate relay, thermal relay, PLC, GOT , Electricity meter , cooling fan and ect inside the control cabinet .
According to the system working conditions, we can set a variety of control button and indicators. Such as forward, reverse, motor speed boost, motor speed deceleration, jog forward, jog reverse, manual / automatic, emergency stop, frequency conversion, power frequency, PLC control, touch screen and so on in the front door of the panels .
1. The power switch and protection frequency inverter cabinet l are equipped with low-voltage MCCB which is connected to the power line, in addition to complete and disconnect the circuit, can protect the circuit and VFD short circuit and overload protection . can cut off the power during maintenance .
2. Start and Control function . on the front door of the panel set the inverter start pushbutton .inverter stop pushbutton for the inverter operation control .easy for on-site operation .
3. Frequency (speed) adjustment :
adjust the setting frequency and potentiometer on the front panel, It can easily and convenient to adjust the output frequency of the VFD manually .to control the motor speed.
4. Meters display on the front door of the panel . install the voltmeter、Ammeter、frequency meter and different kinds of indicators .Such as power indication、alarm indication、 running indication、 working frequency 、 inverter input voltage、 inverter output current、 inverter output frequency and monitoring of different working status .
5. Spare working frequency switching . the user can select the inverter cabinet with spare use working frequency switch . when the inverter get failure . can make the motor switch to working frequency power supply according to the automatic control circuit .(you can select manual /automatic mode, When the working frequency start device is more than 15kW . you can use soft starter to realize this function).
6. A variety of control function. According to the system working .it can set a variety of control buttons and indicators on the front door of the panel .such as Forward、Reverse 、Motor increase the speed 、 motor reduce the speed 、 Jog forward 、 Jog reverse、manual/automatic、 Emergency stop、 variable frequency/working frequency 、PLC control、 Touch screen .
7. According to the needs of the operating conditions, we can install AC input reactor, output reactor, DC reactor, EMI filter, braking unit, breaking resistor, contactor, intermediate relay, thermal relay, PLC, HMI , Electricity meter , cooling fan and ect inside the control cabinet.
8. Safety protection .Install the VFD in the frequency control panel, can reduce environmental pollution, reduce the risk of electric shock, will have better protective effect.
9. Neat and beautiful appearance. install the VFD in the frequency control panel, have the same size with other low -voltage switchgear .the same color ,to maintain the power distribution facilities and control equipment coordination, neat, beautiful.
The frequency converter control panel (VFD electric control panel / electrical control panel) can widely use in metallurgy, chemical industry, petroleum, water supply, mine, building material, electrical motor industry, such as pumps, fans, air compressor, rolling mill, injection molding machine, conveyer belt and other machinery and equipments.
l Power Supply: Electric supply r, self-connected power network, diesel generator set, 3phase AC 380V , （-10%，+15%),50HZ
l Applicable motor: three-phase asynchronous motor, variable frequency motor
l Start frequency: can start frequently
l Protection class: IP41 or IP20
l Altitude ≤ 2km (used and downgraded if altitude beyond of 2km),
l Environment temperature : -25℃~ +40℃
l Relative humidity: ≤90%, no condensation
l Vibration: ≤0.5G
1. Save energy
Inverter control motor compared with the traditional control of the motor, energy conservation is the most practical significance, you can achieve energy-saving effect.
2. Lower operating cost.
The traditional motor are consists of three parts: initial purchase cost, maintenance cost, and energy cost. The Energy costs account for about 77% of the motor's operating costs. After install the frequency and soft starter start to reduce the impact of the device. The energy costs can be reduced by 44.3%.The maintenance and repair volume also reduced . So the operating costs will be greatly reduced.
3. Extend motor’s life
In addition, the frequency conversion control can reduce the unit start when the current fluctuation, this fluctuation current will affect the power grid and other equipment, the inverter can effectively reduce the peak starting current to a minimum. Starting from 0HZ, the start-up time can be adjusted to reduce the impact on the electrical components and mechanical parts of the motor at start-up, thus enhancing the reliability of the system and prolonging the service life of the motor. In addition, the frequency conversion control can reduce the unit start when the current fluctuation, this fluctuation current will affect the power grid and other equipment, the inverter can effectively reduce the peak starting current to a minimum.
4. Reduce motor’s noise
According to the requirements of the motor operating conditions, the installation of frequency inverter, the motor speed significantly slowed down, so effectively reduce the noise of the motor running.